Features Sensa-Touch Smooth Gliding Massage Mechanism Like The Hands Of A Massage Therapist Deep Kneading Massage Travels Up And Down The Back Relaxing Your Tense Muscles Neck & Shoulder Mechanism Melts Away Tension And Adjusts To Your Perfect Height 3 Massage Zones Allow You To Concentrate Relaxation On Your Upper Or Lower Back, Or Massage Your Entire Back Soothing Heat Delivers Deep Comfort For Tired Muscles Programmed Controller For Ease Of Use